the family nelson mandela on the loss for their family. south africa, and the world. >>> it's masterpiece theater and motown. a struggle to save the city's priceless artwork from the ravages of bankruptcy. >>> and amazon's drone delivery. pie in the sky or grounded in reality? good day, everyone. welcome to "weekends with alex witt." it's 1:00 here in the east, 10:00 a.m. out west. here's what's happening out there. frozen nation is what's happening. a powerful winter storm has wreaked havoc across much of the country bringing arctic air, snow and freezing rain from california all the way to the northeast. at least 11 people so far have died. in ohio, those icy roads and highways have made driving conditions treacherous there. a blanket of white covers the plains as residents try to dig out of the mess. texas hardest hit as 1600 flights at dal lease fort worth international airport cancelled. more than 165,000 people lost power there last night. now other storm is coming. it's supposed to bring more of the same. nbc meteorologist dylan dre